diff --git a/include/osmocom/gsm/gsm0411_utils.h b/include/osmocom/gsm/gsm0411_utils.h
index ad368e6..7005010 100644
--- a/include/osmocom/gsm/gsm0411_utils.h
+++ b/include/osmocom/gsm/gsm0411_utils.h
@@ -1,5 +1,4 @@
-#ifndef _GSM0411_UTILS_H
-#define _GSM0411_UTILS_H
+#pragma once
 
 #include <time.h>
 
@@ -34,5 +33,3 @@
 /* Prefix msg with a 04.08/04.11 CP header */
 int gsm411_push_cp_header(struct msgb *msg, uint8_t proto, uint8_t trans,
 			     uint8_t msg_type);
-
-#endif /* _GSM0411_UTILS_H */